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Related papers: Cosmic Behavior, Statefinder Diagnostic and $w-w^{…

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We study the interacting agegraphic dark energy (ADE) model in non-flat universe by means of statefinder diagnostic and $w-w^{\prime}$ analysis. First, the evolution of EoS parameter ($w_d$) and deceleration parameter ($q$) in terms of…

General Relativity and Quantum Cosmology · Physics 2014-11-20 M. Malekjani , A. Khodam-Mohammadi

The paper explores the interacting Tsallis holographic dark energy (THDE) model in a non-flat universe following an infrared cutoff as the apparent horizon. The equation of state (EoS) and the deceleration parameter of THDE model are…

General Physics · Physics 2021-08-02 Umesh Kumar Sharma , Vipin Chandra Dubey , A. Pradhan

In this paper, we study the holographic dark energy model in non-flat universe from the statefinder viewpoint. We plot the evolutionary trajectories of the holographic dark energy model for different values of the parameter $c$ as well as…

General Relativity and Quantum Cosmology · Physics 2010-10-27 M. R. Setare , Jingfei Zhang , Xin Zhang

In this work we study a non-flat Friedmann-Robertson-Walker universe filled with a pressure-less dark matter (DM) and Barrow holographic dark energy (BHDE) whose IR cutoff is the apparent horizon. Among various DE models, (BHDE) model shows…

General Relativity and Quantum Cosmology · Physics 2021-08-02 Archana Dixit , Vinod Kumar Bharadwaj , Anirudh Pradhan

The theory of non-gravitational interaction between a pressure-less dark matter (DM) and dark energy (DE) is a phenomenologically rich cosmological domain which has received magnificent attention in the community. In the present article we…

General Relativity and Quantum Cosmology · Physics 2024-03-05 Sudip Halder , Jaume de Haro , Tapan Saha , Supriya Pan

In a spatially flat universe and for an interacting cosmology, we have reconstructed the interaction term, $Q$, between a cold dark matter (DM) fluid and a dark energy (DE) fluid, as well as a time-varying equation of state (EoS) parameter…

General Relativity and Quantum Cosmology · Physics 2018-09-27 Freddy Cueva Solano

In this paper, we investigate the holographic dark energy model with interaction between dark energy and dark matter, from the statefinder viewpoint. We plot the trajectories of the interacting holographic dark energy model for different…

Astrophysics · Physics 2009-06-23 Jingfei Zhang , Xin Zhang , Hongya Liu

We study the evolution of the dark energy parameter within the scope of a spatially non-flat and isotropic Friedmann-Robertson-Walker (FRW) model filled with barotropic fluid and bulk viscous stresses. We have obtained cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Hassan Amirhashchi , Anirudh Pradhan , Hishamuddin Zainuddin

A new model of dark energy namely "ghost dark energy model" has recently been suggested to interpret the positive acceleration of cosmic expansion. The energy density of ghost dark energy is proportional to the hubble parameter. In this…

General Relativity and Quantum Cosmology · Physics 2015-06-04 M. Malekjani , A. Khodam-Mohammadi

Cosmological models where dark matter (DM) and dark energy (DE) interact with each other are the general scenarios in compared to the non-interacting models. The interaction is usually motivated from the phenomenological ground and thus…

General Relativity and Quantum Cosmology · Physics 2018-12-27 Weiqiang Yang , Supriya Pan , Andronikos Paliathanasis

In this work we have considered the modified holographic Ricci dark energy interacting with dark matter through a non-gravitational coupling. We took three phenomenological forms for the interaction term $Q$ in the model, where in general…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-13 Praseetha P , Titus K Mathew

We explore a spatially homogeneous and isotropic Friedmann-Robertson-Walker (FRW) universe which is filled with agegraphic dark energy (ADE) with mutual interaction with pressureless dark matter in the background of Brans-Dicke (BD) theory.…

General Relativity and Quantum Cosmology · Physics 2020-01-08 M. Abdollahi Zadeh , A. Sheykhi

Exploring the accelerated expansion of the universe, we investigate the generalized ghost dark energy (GGDE) model from the statefinder diagnosis analysis in a flat FRW universe. First we calculate the cosmological evolution and statefinder…

General Relativity and Quantum Cosmology · Physics 2015-06-12 Mohammad Malekjani

The interacting polytropic gas dark energy model is investigated from the viewpoint of statefinder diagnostic tool and $w-w^{\prime}$ analysis. The dependency of the statefinder parameters on the parameter of the model as well as the…

General Relativity and Quantum Cosmology · Physics 2015-06-03 M. Malekjani , A. Khodam-Mohammadi

Statefinder diagnostic is a convenient method that can differentiate between the various dark energy models. In this article, we analyze the statefinder parameters in symmetric teleparallel cosmology. The $f(Q)$ gravity theory is an…

General Relativity and Quantum Cosmology · Physics 2022-06-27 Raja Solanki , P. K. Sahoo

In this work, in the framework of dynamical system analysis, we focus on the study of the accelerated expansion of the Universe of $f(Q)$ gravity theory where $Q$ be the non-metricity that describes the gravitational interaction. We…

General Relativity and Quantum Cosmology · Physics 2023-02-07 Amit Samaddar , S. Surendra Singh , Shivangi Rathore

In this work, we have considered the recently proposed new Tsallis Agegraphic Dark Energy model (NTADE) (Mod. Phys. Lett. A 34, 1950086, 2019) within the framework of a flat Friedmann-Robertson-Walker(FRW) Universe by taking various values…

General Relativity and Quantum Cosmology · Physics 2021-05-18 Umesh Kumar Sharma , Shikha Srivastava

Based on the fractional entropy originating from fractional quantum mechanics, the fractional holographic dark energy (FHDE) model has been proposed. In this paper, we consider an interaction between the pressureless matter and FHDE and…

General Physics · Physics 2026-05-21 Qihong Huang , Hao Chen , Qihong Wu

In the present work, we perform a comparative study of different interacting dark energy (DE) models using the Statefinder diagnostics. In particular, 17 different forms of the energy transfer rate $Q$ between DE and dark matter (DM) were…

General Relativity and Quantum Cosmology · Physics 2023-10-09 Raul Carrasco , Angel Rincon , Joel Saavedra , Nelson Videla

In this paper, we investigate the agegraphic dark energy (ADE) model by including the sign-changeable interaction between ADE and dark matter in non-flat universe. It is shown that the interaction induces an energy flow of which the…

Cosmology and Nongalactic Astrophysics · Physics 2016-05-04 Y. D. Xu
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